Xu Chen

1 month ago | agupubs.onlinelibrary.wiley.com | Xu Chen |Shengjun Zhang |Ole Andersen |DTU Space Technical

1 Introduction Satellite altimetry employs an onboard active microwave altimeter to measure the average instantaneous distance from the satellite antenna phase center to the footprint area on the sea surface. The initial design objective was to measure the undulations of marine geoid (Kaula, 1961).

Jan 14, 2025 | cell.com | Mengsha Li |Tianci Wu |Hanbin Wang |Houzhao Wan |Xu Chen |Hao Wang | +1 more

Keywords ternary Pt-based nanoparticles quasi-in situ STEM-EELS atomic scale growth mechanism oxygen reduction reaction Introduction Proton-exchange membrane fuel cells (PEMFCs) have been considered as an ultimate power source for electric vehicles and other applications due to their high efficiency, environmental friendliness, low noise, and low operational temperature.1,2 However, the sluggish kinetics of the oxygen reduction reaction (ORR) at the cathode in PEMFCs and the high cost of Pt...

Jan 9, 2025 | onlinelibrary.wiley.com | Xu Chen |Shan Wang |Dongqi Fan |Jinglei Zhan

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Dec 22, 2024 | mdpi.com | Xu Chen

This is an early access version, the complete PDF, HTML, and XML versions will be available soon.

Nov 5, 2024 | mdpi.com | Peidong Han |Guang Yang |Yangyang Liu |Xu Chen

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